MythTV 0.22 Release Candidate 2 available

During the 2 weeks since the release candidate 1 more than 50 commits
went into the release-0-22-fixes branch. The branch is now frozen and
only critical issues will be fixed before the final release.
Please test the 0.22 Release Candidate 2 tarballs. If no new critical
issues are reported 0.22 will be released next week.